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Evaluate
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Differentiate w.r.t. x
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2x-5x^{3}\times 2-3
To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.
2x-10x^{3}-3
Multiply 5 and 2 to get 10.
2x^{1-1}+2\left(-10x\right)x^{2-1}
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The derivative of ax^{n} is nax^{n-1}.
2x^{0}+2\left(-10x\right)x^{2-1}
Subtract 1 from 1.
2x^{0}+\left(-20x\right)x^{2-1}
Multiply 2 times -5\times 2x.
2x^{0}+\left(-20x\right)x^{1}
Subtract 1 from 2.
2x^{0}+\left(-20x\right)x
For any term t, t^{1}=t.
2\times 1+\left(-20x\right)x
For any term t except 0, t^{0}=1.
2+\left(-20x\right)x
For any term t, t\times 1=t and 1t=t.